CN101641854B - 永磁体式旋转机及其制造方法 - Google Patents

永磁体式旋转机及其制造方法 Download PDF

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Publication number
CN101641854B
CN101641854B CN200880009638.4A CN200880009638A CN101641854B CN 101641854 B CN101641854 B CN 101641854B CN 200880009638 A CN200880009638 A CN 200880009638A CN 101641854 B CN101641854 B CN 101641854B
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CN
China
Prior art keywords
permanent magnet
coercive force
magnet
rare earth
earth element
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CN200880009638.4A
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English (en)
Chinese (zh)
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CN101641854A (zh
Inventor
枣田充俊
高山佳典
清水元治
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Proterial Ltd
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Hitachi Metals Ltd
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Publication of CN101641854A publication Critical patent/CN101641854A/zh
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0293—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278—Surface mounted magnets; Inset magnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
CN200880009638.4A 2007-03-27 2008-03-25 永磁体式旋转机及其制造方法 Active CN101641854B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP081263/2007 2007-03-27
JP2007081263 2007-03-27
PCT/JP2008/055582 WO2008123251A1 (ja) 2007-03-27 2008-03-25 永久磁石式回転機およびその製造方法

Publications (2)

Publication Number Publication Date
CN101641854A CN101641854A (zh) 2010-02-03
CN101641854B true CN101641854B (zh) 2012-10-10

Family

ID=39830744

Family Applications (1)

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CN200880009638.4A Active CN101641854B (zh) 2007-03-27 2008-03-25 永磁体式旋转机及其制造方法

Country Status (5)

Country Link
US (1) US8421292B2 (ja)
EP (1) EP2131474A4 (ja)
JP (1) JP5310544B2 (ja)
CN (1) CN101641854B (ja)
WO (1) WO2008123251A1 (ja)

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JP5262643B2 (ja) * 2008-12-04 2013-08-14 信越化学工業株式会社 Ｎｄ系焼結磁石及びその製造方法
US20120176212A1 (en) * 2009-08-28 2012-07-12 Intermetallics Co., Ltd. METHOD AND SYSTEM FOR PRODUCING SINTERED NdFeB MAGNET, AND SINTERED NdFeB MAGNET PRODUCED BY THE PRODUCTION METHOD
JP5454023B2 (ja) * 2009-09-07 2014-03-26 ダイキン工業株式会社 電動機
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US8987965B2 (en) * 2010-03-23 2015-03-24 Shin-Etsu Chemical Co., Ltd. Rotor and permanent magnet rotating machine
US8610452B2 (en) * 2010-04-23 2013-12-17 Korea University Research And Business Foundation Apparatus and method for diagnosing permanent magnet demagnetization of permanent magnet synchronous motor, and apparatus for driving permanent magnet synchronous motor
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CN102611216A (zh) * 2011-01-19 2012-07-25 株式会社安川电机 混合型励磁永久磁铁及使用其的旋转电机用转子及发电机
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JP2015133825A (ja) * 2014-01-14 2015-07-23 株式会社ジェイテクト 回転電機用ロータ
JP5752330B1 (ja) * 2014-02-28 2015-07-22 三菱電機株式会社 永久磁石式回転電動機の制御装置
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JP6421551B2 (ja) * 2014-11-12 2018-11-14 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
JP2016105447A (ja) * 2014-12-01 2016-06-09 トヨタ自動車株式会社 希土類磁石の製造方法
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US10284036B2 (en) * 2015-08-24 2019-05-07 GM Global Technology Operations LLC Electric machine for hybrid powertrain with engine belt drive
JP2018107928A (ja) * 2016-12-27 2018-07-05 トヨタ自動車株式会社 Ｉｐｍモータ用ロータ
EP3496232A1 (en) * 2017-12-05 2019-06-12 Siemens Gamesa Renewable Energy A/S Permanent magnet for a permanent magnet machine
CN111742379B (zh) * 2017-12-19 2023-01-31 Abb瑞士股份有限公司 用于电机的多构件磁体组件
CN109904940A (zh) * 2018-08-31 2019-06-18 蔚来汽车有限公司 电机及其定子、转子和磁体
WO2020174647A1 (ja) * 2019-02-28 2020-09-03 三菱電機株式会社 電動機、圧縮機、及び空気調和機
JP2021158353A (ja) * 2020-03-25 2021-10-07 Tdk株式会社 希土類永久磁石及びこれを備える回転電機
US11824403B2 (en) * 2020-04-03 2023-11-21 North Carolina State University Machines utilizing heavy rare earth free permanent magnets
KR20210131168A (ko) * 2020-04-23 2021-11-02 현대자동차주식회사 희토류 영구자석 제조방법 및 이에 의해 제조되는 희토류 영구자석
WO2022016437A1 (zh) * 2020-07-23 2022-01-27 华为数字能源技术有限公司 电机转子和电机
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Also Published As

Publication number Publication date
WO2008123251A1 (ja) 2008-10-16
US8421292B2 (en) 2013-04-16
EP2131474A1 (en) 2009-12-09
US20100109468A1 (en) 2010-05-06
CN101641854A (zh) 2010-02-03
JPWO2008123251A1 (ja) 2010-07-15
JP5310544B2 (ja) 2013-10-09
EP2131474A4 (en) 2017-03-29

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Address after: Japan Tokyo port harbor 2 chome No. 70

Patentee after: HITACHI METALS, Ltd.

Address before: Tokyo, Japan

Patentee before: HITACHI METALS, Ltd.

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20100203

Assignee: Hitachi metal ring Ci material (Nantong) Co.,Ltd.

Assignor: HITACHI METALS, Ltd.

Contract record no.: 2017990000034

Denomination of invention: Permanent magnet type rotator and process for producing the same

Granted publication date: 20121010

License type: Common License

Record date: 20170209

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CI03 Correction of invention patent
CI03 Correction of invention patent

Correction item: A transferee of the entry into force of the contract

Correct: Hitachi metal ring magnets (Nantong) Co. Ltd.

False: Hitachi metal ring Ci material (Nantong) Co. Ltd.

Number: 11

Volume: 33